The Functions of Sleep

Across

1. AO1: A lack of SWS sleep is associated with reduced __________ system functioning (6)

4. AO2: Shapiro et al (1981) supports the view that SWS is associated with recovery. Marathon runners slept an extra hour or two following the two nights after the race and SWS increased. Who criticized this? ___________and Minard (1985) (5)

6. AO1: _______ hormones are secreted in SWS sleep. They restore body tissue by renewing fragile proteins. This why they're important in both childhood and adulthood. (6)

9. AO2: partial sleep deprivation can lead to a REM or SWS rebound. Empson (2002) - REM deprived had 50% more REM the night after. _____________ et al (1990) found the same effect on people who were SWS deprived. (7)

10. AO1: REM provides a break for _________________ release. This is where neurons regain sensitivity so that the body can function properly again. (16)

Down

2. AO2: Randy Gardner (1965) stayed awake for 260 hours with no ill effects. Williams et al (1959) - when sleep deprived participants would? Its the same as sleep just they're awake. SHOWED - lack of sleep causes no long term damage (10)

3. AO1: REM sleep is associated with _____ growth. Psychologists suggest the amount of REM a species has depends on its immaturity at birth. (5)

7. AO2: ____________(1983) put rats on a rotating disk and prevented them from sleeping. They died after 33 days. Suggests sleep deprivation can be fatal. Rattenborg et al (2005) did a similar experiment on pigeons - none died. (12)

8. AO2: what approach accounts for factors that the restorative approach doesn't? It suggests that sleep patterns are due to environmental pressures (12)